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.body {
  flex-grow: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, max-content) minmax(0, 1fr);
  grid-template-rows: minmax(max-content, 1fr) max-content;
  grid-template-areas: "nav main outline" "footer footer footer";
  gap: var(--spacing-15);
  min-height: 0;
  max-width: 100%;
}

.sitenav {
  justify-self: end;
  grid-area: nav;
}

.outline {
  grid-area: outline;
}

.navButton,
.navButtonWrapper {
  display: none;
}

.navInner {
  position: sticky;
  margin-top: var(--spacing-5);
  top: calc(var(--v-rhythm) * 1);
}

.main {
  grid-area: main;
  width: 100vw;
  max-width: calc(70ch + 2em);
  padding: var(--spacing-12) 1em;
  line-height: var(--v-rhythm);
}

.footer {
  grid-area: footer;
}

:where(.main) h1,
:where(.main) h2,
:where(.main) h3 {
  font-family: var(--font-family-heading);
  font-weight: bold;
  margin: var(--v-rhythm) 0;
  line-height: calc(var(--v-rhythm) * 2);
}

:where(.main) h1 {
  font-size: var(--font-8);
  margin-top: calc(var(--v-rhythm) * 3);
}

:where(.main) h2 {
  font-size: var(--font-7);
  margin-top: calc(var(--v-rhythm) * 3);
}

:where(.main) h3 {
  font-size: var(--font-6);
  margin-top: calc(var(--v-rhythm) * 2);
}

:where(.main) h1 > a,
:where(.main) h2 > a,
:where(.main) h3 > a,
:where(.main) h4 > a,
:where(.main) h5 > a,
:where(.main) h6 > a {
  text-decoration: none;
}

:where(.main) h1 > a:hover,
:where(.main) h2 > a:hover,
:where(.main) h3 > a:hover,
:where(.main) h4 > a:hover,
:where(.main) h5 > a:hover,
:where(.main) h6 > a:hover {
  text-decoration: underline;
}

:where(.main) p {
  font-size: var(--font-4);
  margin: var(--v-rhythm) 0;
}

:where(.main) em {
  font-style: italic;
}

:where(.main p) code,
:where(.main ul) code,
:where(.main pre) code {
  font-size: var(--font-3);
  padding: 0 0.5em;
  border: 1px solid var(--color-border);

  background-color: var(--color-panel-bg);
  border-radius: var(--radii);
}

:where(.main) pre {
  font-size: var(--font-3);
  padding: calc(var(--v-rhythm) * 0.5) 1em;
  margin: calc(var(--v-rhythm) * 0.5) -1em;
  border: 1px solid var(--color-border);

  background-color: var(--color-panel-bg);
  border-radius: var(--radii);
  overflow: auto;
}

:where(.main) pre > code {
  padding: 0;
  border: none;

  background-color: transparent;
  border-radius: 0;
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }

  to {
    opacity: 1;
  }
}

.navOverlay {
  display: none;

  animation: 0.2s ease both fadeIn;
}

/* 600px = 16px * 37.5 */
@media (min-height: 37.5rem) and (min-width: 74.9376rem) {
  .navInner {
    margin-top: calc(var(--v-rhythm) * 3 + var(--spacing-12));
    top: calc(var(--v-rhythm) * 2);
  }
}

/* 1199px = 16px * 74.9375 */
@media (max-width: 74.9375rem) {
  .body {
    grid-template-columns: 100vw;
    grid-template-rows: minmax(max-content, 1fr) max-content;
    grid-template-areas: "single" "footer";
    gap: 0;
  }

  .sitenav,
  .main,
  .navButtonWrapper,
  .outline,
  .navOverlay {
    grid-area: single;
  }

  .main {
    justify-self: center;
  }

  .sitenav,
  .outline {
    justify-self: start;
    padding: var(--spacing-5) var(--spacing-10);
    grid-row: 1 / 3;
    border-right: 1px solid var(--color-border);

    background-color: var(--color-bg);
    box-shadow: 0 0 8px rgb(0 0 0 / 0.2);
    z-index: 5;

    transform: translateX(-100%);
    transition: 0.2s ease transform;
  }
  .sitenav:focus-within {
    transform: translateX(0);
  }

  .outline {
    justify-self: end;
    border-right: none;
    border-left: 1px solid var(--color-border);

    transform: translateX(100%);
  }
  .outline:focus-within {
    transform: translateX(0);
  }

  .navOverlay {
    grid-row: 1 / 3;

    background-color: var(--color-overlay);
    backdrop-filter: blur(2px);
    z-index: 3;
  }

  .sitenav:focus-within + .navOverlay,
  .outline:focus-within + .navOverlay {
    display: block;
  }

  .navButtonWrapper {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
  }

  .navButton {
    display: block;
    position: sticky;
    top: calc(-1 * var(--radii));
    left: 0;
    margin-top: var(--spacing-5);
    padding: var(--action-padding);
    font-family: var(--font-family-heading);
    font-weight: 600;
    border: 1px solid var(--color-border);
    border-left: none;

    background-color: var(--color-panel-bg);
    border-radius: var(--radii);
    border-top-left-radius: 0;
    border-bottom-left-radius: 0;
    box-shadow: 0 0 4px rgb(0 0 0 / 0.3);
    cursor: pointer;
  }
  .navButton:nth-child(even) {
    border-right: none;
    border-left: 1px solid var(--color-border);
    border-radius: var(--radii);
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
  }
  .navButton:hover {
    text-decoration: underline;
  }
  .navButton:focus-visible {
    border-color: var(--color-focus);
    box-shadow: 0 0 0 var(--focus-shadow-radius) var(--color-focus-shadow);
    outline: none;
  }

  @media (prefers-reduced-motion: reduce) {
    .sitenav,
    .outline {
      opacity: 0;
      transition: 0.2s ease opacity;
    }

    .sitenav:focus-within,
    .outline:focus-within {
      opacity: 1;
    }
  }
}